US2859299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chopper
Assignee: Oak Manufacturing Co
•
Filing: 1953-09-14
•
Granted: 1958-11-04
•
Expires: 1973-09-14
Abstract
No abstract record available.
Inventors
- 👤 Hugh A Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:01
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/74; H01H50/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1328825A
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US1656250A
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US1607910A
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US1676979A
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US1838573A
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US2303952A
Cited
US2440145A
Cited
US2473353A
Cited
US2547026A
Cited
US2571780A
Cited
US2675441A
Cited
US2677027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |